Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,1 -1,2 1,0 or 0,-1.
A264554
Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,1 -1,2 1,0 or 0,-1.
Terms
- a(0) =1a(1) =21a(2) =133a(3) =1160a(4) =14852a(5) =163744a(6) =1573479a(7) =16103502a(8) =165752029a(9) =1678765742a(10) =16892925020a(11) =170699731951
External references
- oeis: A264554